You need to get your ad platform technically certified and a very good reason to join (several millions in marketing budget will do the job), and a very good co

You need to get your ad platform technically certified and a very good reason to join (several millions in marketing budget will do the job), and a very good contact at Google, once this is done, this is what you have access to in real-time: https://developers.google.com/authorized-buyers/rtb/downloads/realtime-bidding-proto https://developers.google.com/authorized-buyers/rtb/download... otherwise you can go through intermediaries like BidSwitch which are essentially resellers, it's much easier but you get less information